Yamaha VMX12 2001 Service Manual page 432

• Set the main switch to "ON".
• Set the turn signal switch to " " or "
• Measure the voltage (12 V) of the chocolate
1 or dark green 2 at the turn signal light
connector (wire harness side).
• Is the voltage within specification?
YES
This circuit is OK.
EAS00800
4. The neutral indicator light fails to come on.
1. Neutral indicator light bulb and socket
• Check the neutral indicator light bulb and
socket for continuity.
Refer to "CHECKING THE BULBS AND
BULB SOCKETS".
• Are the neutral indicator light bulb and
socket OK?
YES
2. Neutral switch
• Check the neutral switch for continuity.
Refer to "CHECKING THE SWITCHES".
• Is the neutral switch OK?
YES
".
NO
The wiring circuit
from the main switch
to the tachometer
coupler is faulty and
must be repaired.
NO
Replace the neutral
indicator light bulb,
socket or both.
NO
Replace the neutral
switch.
SIGNALING SYSTEM
3. Voltage
• Connect the pocket tester (DC 20 V) to the
tachometer coupler (wire harness side) as
shown.
Positive tester probe → brown 1
Negative tester probe → ground
• Set the main switch to "ON".
• Measure the voltage (12 V).
• Is the voltage within specification?
This circuit is OK.
EAS00802
5. The oil level warning light fails to come on.
1. Oil level warning light bulb and socket
• Check the oil level warning light bulb and
socket for continuity.
Refer to "CHECKING THE BULBS AND
BULB SOCKETS".
• Are the oil level warning light bulb and
socket OK?
8 - 40
ELEC
YES
The wiring
from the main switch
to the tachometer
coupler is faulty and
must be repaired.
YES
Replace the oil level
warning light bulb,
socket or both.
– +
NO
circuit
NO